<form class="form-horizontal">
        <div class="form-group">
            <label for="inputEmail3" class="col-sm-2 control-label">用户名</label>
            <div class="col-sm-10">
            <input type="email" class="form-control username" ng-model="user.name">
            </div>
        </div>
        <div class="form-group">
            <label for="inputPassword3" class="col-sm-2 control-label">年龄</label>
            <div class="col-sm-10">
            <input class="form-control age"  ng-model="user.age">
            </div>
        </div>
</form>  
